Polymer, negative resist composition, and pattern forming process

A polymer comprising recurring units derived from vinylanthraquinone, recurring units containing a benzene ring having a hydroxyl-bearing tertiary alkyl group bonded thereto, and recurring units derived from hydroxystyrene is provided. The polymer is used as a base resin to formulate a negative resi...

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Bibliographische Detailangaben
Hauptverfasser:	Domon, Daisuke, Hatakeyama, Jun
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES APPARATUS SPECIALLY ADAPTED THEREFOR CHEMICAL PAINT OR INK REMOVERS CHEMISTRY CINEMATOGRAPHY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES ELECTROGRAPHY FILLING PASTES HOLOGRAPHY INKS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MATERIALS THEREFOR METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS ORIGINALS THEREFOR PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	A polymer comprising recurring units derived from vinylanthraquinone, recurring units containing a benzene ring having a hydroxyl-bearing tertiary alkyl group bonded thereto, and recurring units derived from hydroxystyrene is provided. The polymer is used as a base resin to formulate a negative resist composition having a high resolution and minimal LER.